Dumbbell



FIG. 1 is a front perspective view of a first embodiment of a dumbbell;

FIG. 2 is a front elevation view of the dumbbell shown in FIG. 1 ;

FIG. 3 is a rear elevation view of the dumbbell shown in FIG. 1 ;

FIG. 4 is a right-side elevation view of the dumbbell shown in FIG. 1 ;

FIG. 5 is a left-side elevation view of the dumbbell shown in FIG. 1 ;

FIG. 6 is a top plan view of the dumbbell FIG. 1 ;

FIG. 7 is a bottom plan view of the dumbbell FIG. 1 ;

FIG. 8 is a front perspective view of a second embodiment of the dumbbell;

FIG. 9 is a front elevation view of the dumbbell shown in FIG. 8 ;

FIG. 10 is a rear elevation view of the dumbbell shown in FIG. 8 ;

FIG. 11 is a right-side elevation view of the dumbbell shown in FIG. 8 ;

FIG. 12 is a left-side elevation view of the dumbbell shown in FIG. 8 ;

FIG. 13 is a top plan view of the dumbbell FIG. 8 ; and,

FIG. 14 is a bottom plan view of the dumbbell FIG. 8 . 

CLAIM I claim the ornamental design for a dumbbell, as shown and described. 